May 13, 2006 0800 UTC Day 2 Convective Outlook Updated: Sat May 13 06:03:37 UTC 2006 Probabilistic to Categorical Outlook Conversion Table (Effective Feb 14, 2006).
|
|||||
SPC AC 130602 DAY 2 CONVECTIVE OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 0102 AM CDT SAT MAY 13 2006 VALID 141200Z - 151200Z ...THERE IS A SLGT RISK OF SVR TSTMS ACROSS PARTS OF THE CAROLINAS AND VICINITY... ...THERE IS A SLGT RISK OF SVR TSTMS ACROSS PARTS OF WRN TX/SERN NM... ...SYNOPSIS... LARGE-SCALE PATTERN -- FEATURING A RIDGE OVER THE WRN HALF OF THE CONUS AND A TROUGH/CLOSED LOW OVER THE EAST -- IS FORECAST TO UNDERGO SLIGHT AMPLIFICATION THIS PERIOD...BUT OTHERWISE REMAIN GENERALLY UNCHANGED. SURFACE FRONT -- INITIALLY FORECAST FROM THE ATLANTIC COAST STATES SWWD/WWD ACROSS THE GULF COAST STATES INTO TX...IS FORECAST TO MOVE EWD TOWARD THE ATLANTIC COAST/SWD TOWARD THE GULF COAST/SWWD INTO FAR W TX THROUGH THE PERIOD. THIS FRONT SHOULD SERVE AS A FOCUS FOR DEEP MOIST CONVECTION THROUGH THE PERIOD. ...THE CAROLINAS AND VICINITY... SCATTERED SHOWERS AND THUNDERSTORMS WILL LIKELY BE ONGOING AT THE START OF THE PERIOD ALONG/AHEAD OF FRONT. CONVECTION SHOULD INCREASE/INTENSIFY DURING THE AFTERNOON AS DIURNAL HEATING -- LIKELY LIMITED BY ONGOING CLOUDS/PRECIPITATION -- RESULTS IN LIMITED AIRMASS DESTABILIZATION /AROUND 1000 J/KG MEAN-LAYER CAPE/. WITH MODERATELY-STRONG SWLY/WLY FLOW THROUGH A DEEP LAYER EXPECTED ACROSS THIS REGION/S OF UPPER TROUGH...EXPECT ORGANIZED STORMS -- POSSIBLY A SQUALL LINE -- TO EVOLVE. POTENTIAL FOR SEVERE CONVECTION WITH LOCALLY DAMAGING WINDS AND HAIL APPEARS HIGH ENOUGH ATTM TO WARRANT INTRODUCTION OF A SLIGHT RISK ACROSS THIS REGION. ...PARTS OF WRN TX/SERN NM... MODELS FORECAST ONGOING CONVECTION ALONG AND NEAR FRONT DURING THE START OF THE PERIOD...WHICH SHOULD WEAKEN AND THEN RE-INITIATE DURING THE AFTERNOON. THOUGH ISOLATED STRONG/SEVERE STORMS MAY OCCUR ACROSS THE GULF COAST REGION AND INTO TX...AREA OF SLIGHTLY GREATER SEVERE THREAT MAY EVOLVE ACROSS W TX. AS FRONT MOVES SWD/SWWD ACROSS TX...AREA OF ELY UPSLOPE FLOW SHOULD EVOLVE ACROSS THE TRANSPECOS REGION AND INTO SERN NM. WITH MODERATE WSWLY FLOW ALOFT FORECAST OVER THIS REGION...RESULTING DIRECTIONAL SHEAR MAY BE SUFFICIENT FOR ORGANIZED STORMS. ALONG WITH POTENTIAL FOR HAIL...DRY/DEEP BOUNDARY LAYER WOULD ALSO SUPPORT THREAT FOR DAMAGING WINDS. ..GOSS.. 05/13/2006 CLICK TO GET WUUS02 PTSDY2 PRODUCT NOTE: THE NEXT DAY 2 OUTLOOK IS SCHEDULED BY 1730Z |